// 通过 curl 取回 www.linux-ren.org 的首页并写入/tmp/curl-test文件中。

#include <curl/curl.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
FILE *fp;
int write_data(void *ptr, size_t size, size_t nmemb, void *stream)
{
int written = fwrite(ptr, size, nmemb, (FILE *)fp);
return written;
}
int main()
{
const char * path = "/tmp/curl-test";
const char * mode = "w";
fp = fopen(path,mode);
curl_global_init(CURL_GLOBAL_ALL);
CURLcode res;
CURL *curl = curl_easy_init();
curl_easy_setopt(curl, CURLOPT_URL, "http://www.linux-ren.org");
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
res = curl_easy_perform(curl);
curl_easy_cleanup(curl);
}
